The Moment Her Penis Grows, She Has An Excessive Libido And Her Big Erect Penis Protrudes, A Fluttering, Unaware Temptation.

One day, Misao accidentally drinks a male classmate's "energy drink." Whether that's the cause or not... an incomprehensible chemical reaction occurs, and a full-grown penis sprouts. Unable to control the erection, she can't help but stroke it... Experiencing an immense pleasure she's never felt from her pussy, she ejaculates massively!! To make matters worse, a perverted teacher catches her...!! Between classes and after school, with a bulge in her skirt and a huge cock sticking out of her panties, she can't even focus on her exam studies, forced into obscene cock instruction! Smiling in ecstasy at the unknown pleasure of dual genitalia, she moans in orgasmic sex!! Gushing and spurting over 20 ejaculations!! An uncontrollable ejaculation hell that drives a uniformed schoolgirl crazy!!